A Wise Interhouse of NASAVersion en ligne Time to revise! par Valeria Juarez A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Starts with A A scientist who focuses their studies on a specific question or field outside the scope of Earth. Contains B The curved path through which objects in space move around a planet or star: Starts with C Any of the groups of stars in the sky that seem from earth to form a pattern and have been given names Contains D One of many large rocks that circle the sun Contains E A solid piece of debris from an objec that originates in outer space and survives its passage through the atmosphere Starts with F The amout of planetas with no solid surfaces Starts with G The force that attracts objects towards one another, especially the force that makes things fall to the ground Contains H The third planet from the Sun and the only astronomical object known to harbor life. Contains I A theory that describes how the universe expanded from an initial state of very high density and high temperature Starts with J The planet fifth in order of distance from the Sun, after Mars and before Saturn Contains K A region of spacetime where gravity is so strong that nothing Contains L One of the elements formed after the Big Bang Starts with M The galaxy (= star system) that includes the earth, seen at night as a pale strip across the sky Contains N An astronomical body orbiting Earth as its only natural satellite. Contains O An object that moves around the sun, usually at a great distance from it, that is seen on rare occasions from the earth as a bright line in the sky Starts with P An icy small planet Contains Q Jupiter, Uranus, Saturn and Neptune are made of gases and... Contains R A piece of rock or other matter from space that produces a bright light as it travels through the atmosphere Contains S The second planet from the Sun named after the Roman goddess of love and beauty Contains T A very young star that is still gathering mass from its parent molecular cloud Starts with U All of space and time[a] and their contents, including planets, stars, galaxies, and all other forms of matter and energy Contains V A star that has exploded, strongly increasing its brightness for a few months Contains W Pluto is considered are ... planet Contains X An imaginary stick going through a planet's centerfrom one end to the other Contains Y The element that makes a star be born apart of dust Contains Z Type of tail left by comets
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